NTN Catalog - Norfolkbearings.com

BearingNo.SINGLE ROW ANGULAR CONTACT BALL BEARINGSBore O.D. Width Fillet Radius Load Basic Load Limiting Weight LimitingCenter Ratings (lbs) Speeds (rpm) (lbs) Speeds (rpm)Dynamic Static Grease Oil Grease Oild D B r r1 a C Co Duplex: DB, DF, DT7300B 0.3937 1.3780 0.4331 0.024 0.020 0.59 2,140 1,040 22,000 29,000 0.090 18,000 24,00010 35 11 0.6 0.3 157301B 0.4724 1.4567 0.4724 0.039 0.024 0.6496 2,370 1,110 19,000 26,000 0.099 16,000 21,00012 37 12 1 0.6 16.57302B 0.5906 1.6535 0.5118 0.039 0.024 0.7480 2,810 1,500 17,000 22,000 0.126 13,000 18,00015 42 13 1 0.6 197303B 0.6693 1.8504 0.5512 0.039 0.024 0.81 3,350 1,800 15,000 20,000 0.240 12,000 16,00017 47 14 1 0.6 20.57304B 0.7874 2.0472 0.5906 0.043 0.024 0.89 3,900 2,170 13,000 18,000 0.311 11,000 14,00020 52 15 1.1 0.6 22.57305B 0.9843 2.4409 0.6693 0.043 0.024 1.06 5,500 3,300 11,000 15,000 0.516 9,100 12,00025 62 17 1.1 0.6 277306B 1.1811 2.8346 0.7480 0.043 0.024 1.24 6,950 4,600 9,600 13,000 0.776 7,700 10,00030 72 19 1.1 0.6 31.57307B 1.3780 3.1496 0.8268 0.059 0.039 1.36 8,250 5,450 8,400 11,000 1.03 6,800 9,00035 80 21 1.5 1 34.57308B 1.5748 3.5433 0.9055 0.059 0.039 1.54 10,100 6,800 7,400 9,900 1.40 6,000 8,00040 90 23 1.5 1 397309B 1.7717 3.9370 0.9843 0.059 0.039 1.69 13,100 9,050 6,600 8,900 1.88 5,400 7,20045 100 25 1.5 1 437310B 1.9685 4.3307 1.0630 0.079 0.039 1.85 15,300 10,800 6,000 8,100 2.45 4,900 6,50050 110 27 2 1 477311B 2.1654 4.7244 1.1417 0.079 0.039 2.05 17,700 12,800 5,500 7,300 3.13 4,500 5,90055 120 29 2 1 527312B 2.3622 5.1181 1.2205 0.083 0.043 2.20 20,200 14,800 5,100 6,800 3.90 4,100 5,50060 130 31 2.1 1.1 567313B 2.5591 5.5118 1.2992 0.083 0.043 2.34 22,900 17,000 4,700 6,300 4.72 3,800 5,10065 140 33 2.1 1.1 59.57314B 2.7559 5.9055 1.3780 0.083 0.043 2.50 25,700 19,300 4,400 5,800 5.75 3,500 4,70070 150 35 2.1 1.1 63.57315B 2.9528 6.2992 1.4567 0.083 0.043 2.68 28,000 21,900 4,100 5,400 6.90 3,300 4,40075 160 37 2.1 1.1 687316B 3.1496 6.6929 1.5354 0.083 0.043 2.83 30,500 24,600 3,800 5,100 8.20 3,100 4,10080 170 39 2.1 1.1 727317B 3.3465 7.0866 1.6142 0.118 0.043 2.99 32,500 27,400 3,600 4,800 9.77 2,900 3,90085 180 41 3 1.1 767318B 3.5433 7.4803 1.6929 0.118 0.043 3.17 35,000 30,500 3,400 4,500 11.4 2,700 3,70090 190 43 3 1.1 80.57319B 3.7402 7.8740 1.7717 0.118 0.043 3.33 37,500 33,500 3,200 4,200 13.2 2,600 3,40095 200 45 3 1.1 84.57320B 3.9370 8.4646 1.8504 0.118 0.043 3.52 43,000 40,000 3,000 4,000 16.1 2,400 3,300100 215 47 3 1.1 89.57321B 4.1339 8.8583 1.9291 0.118 0.043 3.68 45,500 43,500 2,900 3,800 18.4 2,300 3,100105 225 49 3 1.1 93.57322B 4.3307 9.4488 1.9685 0.118 0.043 3.90 51,000 51,000 2,700 3,700 21.6 2,200 3,000110 240 50 3 1.1 997324B 4.7244 10.2362 2.1654 0.157 0.043 4.21 50,500 52,000 2,500 3,300 32.4 2,000 2,700120 260 55 4 1.1 1077326B 5.1181 11.0236 2.2835 0.157 0.059 4.53 56,000 60,500 2,300 3,100 38.8 1,900 2,500130 280 58 4 1.5 1157328B 5.5118 11.8110 2.4409 0.157 0.059 4.84 62,000 69,500 2,100 2,800 47.4 1,700 2,300140 300 62 4 1.5 1237330B 5.9055 12.5984 2.5591 0.157 0.059 5.16 67,500 79,000 2,000 2,600 55.3 1,600 2,100150 320 65 4 1.5 1317332B 6.2992 13.3858 2.6772 0.157 0.059 5.47 71,000 87,000 1,800 2,400 65.7 1,500 2,000160 340 68 4 1.5 1397334B 6.6929 14.1732 2.8346 0.157 0.059 5.79 80,000 100,000 1,700 2,300 77.8 1,400 1,800170 360 72 4 1.5 1477336B 7.0866 14.9606 2.9528 0.157 0.059 6.10 84,000 110,000 1,600 2,100 90.2 1,300 1,700180 380 75 4 1.5 1557338B 7.4803 15.7480 3.0709 0.197 0.079 6.42 87,500 120,000 1,500 2,000 104 1,200 1,600190 400 78 5 2 1637340B 7.8740 16.5354 3.1496 0.197 0.079 6.69 92,000 125,000 1,400 1,900 117 1,200 1,500200 420 80 5 2 170Units:INCHESMillimetersSERIES73B40°Contact Angle73B45